package com.bascht.facedetection;

import org.opencv.core.Core;
import org.opencv.core.Mat;
import org.opencv.core.MatOfRect;
import org.opencv.core.Point;
import org.opencv.core.Rect;
import org.opencv.core.Scalar;
import org.opencv.highgui.Highgui;
import org.opencv.objdetect.CascadeClassifier;

public class FaceDetector {
	 public static void main(String[] args) {
	        System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
	        System.out.println("\nRunning FaceDetector");
	 
	        CascadeClassifier faceDetector = new CascadeClassifier("haarcascade_frontalface_alt.xml");
	        Mat image = Highgui
	                .imread("img003.jpg");
	        
	        Mat test = new Mat(100,100,1);
	        
	        MatOfRect faceDetections = new MatOfRect();
	        faceDetector.detectMultiScale(image, faceDetections);
	 
	        System.out.println(String.format("Detected %s faces", faceDetections.toArray().length));
	 
	        for (Rect rect : faceDetections.toArray()) {
	            Core.rectangle(image, new Point(rect.x, rect.y), new Point(rect.x + rect.width, rect.y + rect.height),
	                    new Scalar(0, 255, 0));
	        }
	        
	        
	        String filename = "ouput.png";
	        System.out.println(String.format("Writing %s", filename));
	        Highgui.imwrite(filename, image);
	    }
}
